Jurchen (in Chinese: Nüzhen (女真 in pinyin: nü3 zhen1)) refers to an ethnic group in Manchuria and northern Korea, and their language, writing system. The Jurchen later became the Manchus.
... vaginal opening.
In the human male, the urethra is about 8 inches (200 mm) long and opens at the end of the penis.
Medical problems of the urethra:
Hypospadias[?] ...